What will be the output of the following PHP code?

1.	What will be the output of the following PHP code?"35", "Ben"=>"37", "Joe"=>"43");print_r(array_change_key_case($age, CASE_UPPER));?>
A.	rray ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )
B.	rray ( [peter] => 35 [ben] => 37 [joe] => 43 )
C.	rray ( [PETER] => 35 [BEN] => 37 [JOE] => 43 )
D.	rray ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )
Answer» D. rray ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )

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What will be the output of the following PHP code?"35", "Ben"=>"37", "Joe"=>"43");print_r(array_change_key_case($age, CASE_UPPER));?>

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